/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
Adds parameter to the VariableToScriptVariable map.
[UNiagaraScriptVariable](API\Plugins\NiagaraEditor\UNiagaraScriptVariable) * AddParameter ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & Parameter, bool bIsStaticSwitch )